Suitable Network: GPRS/EDGE Max Transmitting Rate: (Kbps) 216 Interface: PCMCIA Operating System:Windows98/ME/2000/XP The advantages of Aircard 775: 1 、There are four channels,can be used all over the world. 2 、The max transmission rate is up to 384Kbps 3 、Low power consumption，can prolong the use of batteries 4 、 Real network interface card operation and dial-up network mode 5 、 You can receive SMS message and voice phone call when you are receiving emails and surfing the internet The functions of Aircard 775 1 、Surf the Internet 2 、Receive and send emails（integrate with OUTLOOK ） 3 、 SMS short message service（support muti-message sending） 4 、Voice function 5 、Switch to WiFi automatically（ Require a computer with WiFi module ） 6 、Have super high temperature self protection 7 、Telephone directory management 8 、Fax function